Geometrical instruments
Patent
1977-01-27
1978-04-04
Lake, Roy
Geometrical instruments
339 22B, 339258P, H01R 306
Patent
active
040823938
ABSTRACT:
A bus duct assembly characterized by a bus duct section having top and bottom walls and opposite side walls forming a housing, a plurality of multi-phase bus bars supported within the housing, a ground bar within the housing and adjacent to one side wall and substantially coextensive with the housing, a retaining bracket mounted on the side wall and overlapping the ground bar, a tap box mounted on one of the side walls which overlaps the other and having a plurality of terminals connected respectively to the several bus bars, and a ground terminal within the tap box and connected to the ground bar.
REFERENCES:
patent: 2997685 (1961-08-01), Anderson
patent: 3448203 (1969-06-01), Somes, Jr.
patent: 3497860 (1970-02-01), Jorgensen et al.
Johns L. P.
Jones DeWalden W.
Lake Roy
Westinghouse Electric Corporation
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